val xs
= List
(4,
2,
3,
1) val ys
= List
((1,
1),
(3,
2),
(2,
3)) println(xs.sorted)
println(ys.sortBy(_._1))
}
b2JqZWN0IE1haW4gZXh0ZW5kcyBBcHAgewogIHZhbCB4cyA9IExpc3QoNCwgMiwgMywgMSkKICB2YWwgeXMgPSBMaXN0KCgxLCAxKSwgKDMsIDIpLCAoMiwgMykpCiAgcHJpbnRsbih4cy5zb3J0ZWQpCiAgcHJpbnRsbih5cy5zb3J0QnkoXy5fMSkpCn0=